Clavister
Mikael Olsson is an Information Technology Security Consultant at Certezza AB since September 2020. Mikael is also the Co-founder of Clavister AB since 1998 and is credited as the creator of the firewalling software that the company is based on.
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Clavister
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Clavister is a leading European cybersecurity vendor with over 20 years of experience - seated in Sweden - customers in > 150 countries.